The foot wall shaft cross cuts are drawn to intersect the ore body and raises are made to connect the cross cuts; in under ground. The top of the raises are widened, the method of extraction is . . . . . . . .
A. Open under hand stopin
B. Open over hand stoping
C. u/g glory hole
D. Breast stoping
Answer: Option C
This Question Belongs to Mining Engineering >> Metal Mining
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The ore loaded in shrinkage stoping by . . . . . . . .
A. Over head mucker
B. Pneumatic Auto Loader
C. LHD
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If the ore body is thicker, the level interval will be . . . . . . . .
A. More
B. Lessor
C. Stronger
D. Weaker
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